December weather forecast and Climate
Geelong, Australia AU

• Average high temperature in December: 22.6°C

Warmest month (with highest average high temperature) is February (24.8°C).
Month with lowest average high temperature is July (13.9°C).

• Average low temperature in December: 11°C

Month with highest average low temperature is February (13.5°C).
Coldest month (with lowest average low temperature) is July (5.4°C).

• Average humidity in December: 55%

Month with highest relative humidity is June (70%).
Month with lowest relative humidity is March (54%).

• Average rainfall in December: 40.9mm

Wettest month (with highest rainfall) is November (51.4mm).
Driest month (with lowest rainfall) is February (29.7mm).

• Average rainfall days in December: 5.4 days

Month with highest number of rainy days is July (10 days).
Month with lowest number of rainy days is February (3.1 days).

• Average sea temperature in December: 16°C

Best months for swimming (with highest average sea temperature) are February and March (18°C).
Coldest months (with lowest average sea temperature) are July, August and September (13°C).

• Average daylight in December: 15h

Month with longest days is December (Average daylight: 15h).
Months with shortest days are May, June and July (Average daylight: 10h).

• Average sunshine in December: 8h

Month with most sunshine is January (Average sunshine: 9h).
Months with least sunshine are May, June and July (Average sunshine: 4).

• Average UV index in December: 11

Month with highest UV index is January (UV index 12).
Months with lowest UV index are June and July (UV index 2).